Norman Scanner Engine 5.83.  2
Sandbox 05.83, dated 17/07-2005

Your message ID (for later reference): 20050829-334

nepenthes-826e2c489d60c37358e1a2098a5b2958-schosts.exe : [SANDBOX] contains a security risk - W32/Backdoor (Signature: NO_VIRUS)
 [ General information ]
    * **IMPORTANT: PLEASE SEND THE SCANNED FILE TO: ANALYSIS@NORMAN.NO - REMEMBER TO ENCRYPT IT (E.G. ZIP WITH PASSWORD)**.
    * **Locates window "NULL [class mIRC]" on desktop.
    * File length:       204274 bytes.

 [ Changes to filesystem ]
    * Creates file C:\WINDOWS\SYSTEM\schosts.exe.
    * Deletes file 1.

 [ Changes to registry ]
    * Creates value "hostserv"="schosts.exe" in key "HKLM\Software\Microsoft\Windows\CurrentVersion\Run".
    * Creates value "hostserv"="schosts.exe" in key "HKLM\Software\Microsoft\Windows\CurrentVersion\RunServices".
    * Creates value "hostserv"="schosts.exe" in key "HKCU\Software\Microsoft\Windows\CurrentVersion\Run".

 [ Network services ]
    * Looks for an Internet connection.
    * Connects to "sh4d0w.sytes.net" on port 6667 (TCP).
    * Connects to IRC server.
    * IRC: Uses password ciccio6184.
    * IRC: Uses nickname |803400.
    * IRC: Uses username ezkieyac.
    * IRC: Joins channel ##HEAD## with password 6184.
    * IRC: Sets the usermode for user |803400 to +ns.

 [ Security issues ]
    * Possible backdoor functionality [Authenticate] port 113.

 [ Process/window information ]
    * Creates a mutex RX-Sh4d0w.
    * Will automatically restart after boot (I'll be back...).


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The material presented is distributed by Norman ASA as an information source only.
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Received 29.Aug 2005 at 09.04 - processed 29.Aug 2005 at 09.05.